화학공학소재연구정보센터
학회 한국재료학회
학술대회 2007년 가을 (11/02 ~ 11/02, 성균관대학교)
권호 13권 2호
발표분야 구조재료
제목 Atomic packing density and its influence on the properties of Cu-Zr amorphous alloys
초록 This study examined the structural factors governing the physical and mechanical properties of the amorphous alloys. It was found that these properties are intimately related to the atomic packing density characterized by the atomic-scale structures, as defined by the polygonal short-range ordered (SRO) atomic clusters and the free volume. The Young’s modulus, yield strength, and crystallization temperature decreased as the atomic packing density decreased, while the plasticity increased. We report that the origin of the material properties of the amorphous alloys lies in the atomic packing state, which is characterized by the SRO atomic clusters and free volume.
저자 박경원1, 장재일2, Masato Wakeda3, Yoji Shibutani3, 이재철1
소속 1고려대, 2한양대, 3Osaka Univ.
키워드 amorphous alloy; atomic packing density; mechanical and physical properties; short-range ordering
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